is closed near airport boulevard because the chopper flipped over on the freeway. sal joins us more with how its impact -- how it is impacting traffic. >> the chopper went down south. south of airport remains closed. the chopper crash caused a spill in the lanes. >>> seven people are stranded right now on a boat north of concord. the coast guard says there's 17 - -- the 17-foot motorboats somewhat became stranded last night near ryer island. you can see the boat right there. this was just a short time ago. the coast guard can't rescue the four adults and three children on their yet because the boat is in very shallow waters. the rescue is expected later this morning during high tide. we'll keep an eye on it and give you an update later. >>> 7:01. this morning, law enforcement teams investigating a killing rampage will focus their search on clues on a pittsburg landfall. kraig debro is there now and joins you with an update on this investigation. good morning, kraig. >> reporter: good morning, tori. we're at the keller landfill in pittsburg. it's a little ways away from the pittsburg b.a.r.t.